Forthcoming articles

 


International Journal of Collaborative Enterprise

 

These articles have been peer-reviewed and accepted for publication in IJCEnt, but are pending final changes, are not yet published and may not appear here in their final order of publication until they are assigned to issues. Therefore, the content conforms to our standards but the presentation (e.g. typesetting and proof-reading) is not necessarily up to the Inderscience standard. Additionally, titles, authors, abstracts and keywords may change before publication. Articles will not be published until the final proofs are validated by their authors.

 

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International Journal of Collaborative Enterprise (5 papers in press)

 

Regular Issues

 

  • Developing a genetic-based multi-objective algorithm to optimise job shop scheduling problems   Order a copy of this article
    by Mohammed Hussein, Abd_Elrahman Elgendy 
    Abstract: Dynamic job shop scheduling is one of the problems that get little attention in literature as it is known as an NP-hard combinatorial optimisation problem. Few researchers handled the mathematical model and the approaches of optimising the schedule efficiency and stability. As events such as (machine breakdown, arriving new jobs or processing time variation) are hard to be formulated in a mathematical model, this research introduces a dynamic multi-objective genetic algorithm based on partial repair reactive strategy. The reactive strategy is selected to deal with the dynamic nature of job shop by applying partial repair policy for optimising the scheduling efficiency and the schedule stability simultaneously. Experimental results show that the proposed algorithm provided better solutions than key problem solutions in dynamic job shop scheduling problems published in literature.
    Keywords: dynamic job shop scheduling; repair strategy; scheduling efficiency and stability; genetic algorithm.
    DOI: 10.1504/IJCENT.2018.10013226
     
  • Improvement of refinery maintenance and mechanical services: application of lean manufacturing principles   Order a copy of this article
    by Boppana V. Chowdary, Kuldeep Ojha, Arlene Alexander 
    Abstract: Purpose: The aim of this paper is to show a successful improvement in operations with the implementation of lean manufacturing strategies in a Caribbean oil and gas company. Design/Methodology: Initially, a review of literature was performed on lean manufacturing (LM) tools. Then interviews and GEMBA walkthrough was carried out in the selected case organisation followed by the problems faced were analysed using value stream map (VSM) together with root cause analysis tools. At the end, future state VSM was developed and the benefits due to implementation of LM principles were quantified. Findings: The study revealed that a traditional approach is currently being used on the shop floor thus increasing the opportunity for hidden wastes between the processes as well as increased repair time due to defective equipment. The results concluded that improved shop floor utilisation, reduction in preparation time and hidden wastes were identified on the shop floor. Originality/value: The review of literature indicated that implementation of the lean principles in the Caribbean oil and gas sector has not been explored. Further, the study results provide a road map for similar organisations to achieve operational improvement but also is valuable for academic and research community for practical implementation of lean principles.
    Keywords: lean; MRO; maintenance; repair and overhaul; maintenance repairs; efficiency; wastes; 5S; VSM; value stream map.
    DOI: 10.1504/IJCENT.2018.10013311
     
  • An empirical investigation of enterprise systems adoption in small and medium enterprises   Order a copy of this article
    by Amin Ahmad Amin Shaqrah 
    Abstract: Enterprise systems (ES) has intensely automated and integrated the whole business functions if adopted. The most critical of the ES adoption criteria: environmental pressure; perceived ease of use; readiness; and perceived usefulness. The mentioned criteria were studied along with 60 several kinds small and medium-sized enterprises (SMEs). To investigate the data were collected researcher applying convergent and discriminant factor analyses using EQS 6.3 and SPSS 21. The study has concluded that all suggested criteria play the main factors of ES adoption in SMEs. Results, implications for the SMEs managers, and government role are discussed.
    Keywords: enterprise systems; TAM; technology acceptance model; SMEs; small and medium-sized enterprises; SEM; structured equation modelling.
    DOI: 10.1504/IJCENT.2018.10013316
     
  • Multi-objective optimisation of profile accuracy in two point incremental forming using Taguchi-based grey relation analysis   Order a copy of this article
    by Adham E. Ragab 
    Abstract: This study investigates the effect of four key process parameters in two point incremental forming (TPIF) on the profile accuracy of the manufactured parts. The experiment was applied to A1050-H14 commercial aluminium sheets under different values for tool diameter, feed rate, vertical step size, and sheet thickness. The experiments were designed using the Taguchi L8 orthogonal array. Profile accuracy was estimated by measuring four quality parameters, namely, circularity error, waviness error, depth error, and side wall angle error. Analysis of variance (ANOVA) was used for studying the significance of each process parameter. Grey relational analysis (GRA) was then used to perform a multi-objective optimisation of the four quality parameters simultaneously. The results showed that while each quality parameter may be optimised separately, it is considerably difficult to optimise all of them together. In practice, a compromise must be made based on the profile feature necessary in a given situation.
    Keywords: TPIF; two point incremental forming; grey relation analysis; Taguchi method; circularity error; waviness error.
    DOI: 10.1504/IJCENT.2018.10013327
     
  • Threshold of preference for collusion and interconnection fees in different market structures: the Tunisian mobile market case   Order a copy of this article
    by Sami Debbichi, Walid Hichri 
    Abstract: With imperfect competition in the mobile phone market, the regulator cannot easily control the behaviour of the operators. In this paper, we develop an indicator "critical threshold preference for collusion" (C.T. P.C) in Duopoly and Oligopoly market. Our goal is to compare this indicator where actors are private, mixed or public. Using Cournot model, we assume that the incentive critical threshold for collusion depends on the interconnection fees; only information available to the regulator. We estimate the different threshold values calculated in each Market structure with variables related to the Tunisian market structures and prices. The Econometric estimation of the different threshold values is consistent with our theoretical results. Our findings suggest how to control collusion by acting on the level of interconnection fees for each market structure and by implementing the suitable market liberalisation policies.
    Keywords: interconnection fees; collusion; mobile market structure.
    DOI: 10.1504/IJCENT.2018.10013333